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Azure Migration and Disaster Recovery
Azure migration ensures business continuity by assessing infrastructure, planning strategy, Azure Migrate & ASR, setting recovery objectives, testing failover, optimizing security, & training teams.
Azure migration and disaster recovery involve transitioning workloads and data from on-premises environments to Azure while ensuring robust business continuity. The process begins with assessing the existing infrastructure and planning the migration strategy, which may include rehosting, refactoring, or rebuilding workloads in Azure. Tools like Azure Migrate and Azure Site Recovery (ASR) are used to replicate data, migrate systems, and configure failover mechanisms for disaster recovery. Organizations set recovery objectives (RTO and RPO), test their failover plans, and validate data integrity to mitigate risks. Post-migration tasks include optimizing resources, implementing security measures, and training teams to ensure seamless operations and preparedness for future incidents.
Assessment and Planning: • Analyze current on-premises infrastructure and workloads. • Identify migration goals and scope. • Evaluate compliance and security requirements.
Prepare Azure Environment: • Set up Azure subscription and ensure proper permissions. • Configure Azure networking (VNETs, subnets, and NSGs). • Implement Azure governance, such as resource tagging and management groups.
Choose a Migration Strategy: • Select an approach (Rehost, Refactor, Rearchitect, or Rebuild) based on workload needs. • Assess and select Azure migration tools (e.g., Azure Migrate, ASR).
Migrate Workloads: • Replicate and migrate data using Azure Migrate. • Perform incremental syncs to reduce downtime. • Test the migrated workloads in Azure.
Set Up Disaster Recovery: • Deploy Azure Site Recovery (ASR) for business continuity. • Define RTO (Recovery Time Objective) and RPO (Recovery Point Objective). • Configure failover and failback policies.
Test Disaster Recovery Plan: • Conduct failover simulations in Azure. • Validate application functionality and data integrity. • Resolve any issues discovered during testing.
Post-Migration Tasks: • Optimize Azure resources to improve cost efficiency. • Implement monitoring and alerting using Azure Monitor. • Train teams on Azure operations and disaster recovery.
Document and Secure: • Document the migration and recovery process. • Secure Azure resources with role-based access control (RBAC) and other Azure security tools.